diff --git a/e2e-tests/run-pr.csv b/e2e-tests/run-pr.csv
index 5b5bd09ba..df3c5d6d9 100644
--- a/e2e-tests/run-pr.csv
+++ b/e2e-tests/run-pr.csv
@@ -28,6 +28,7 @@ pgbouncer-mtls
 pg-tde
 pg-tde-wal-encrypt
 pitr
+postgis
 scaling
 scheduled-backup
 self-healing
diff --git a/e2e-tests/run-release.csv b/e2e-tests/run-release.csv
index 0278ec4f5..64e629601 100644
--- a/e2e-tests/run-release.csv
+++ b/e2e-tests/run-release.csv
@@ -33,6 +33,7 @@ pgbouncer-mtls
 pg-tde
 pg-tde-wal-encrypt
 pitr
+postgis
 scaling
 scheduled-backup
 self-healing
diff --git a/e2e-tests/tests/postgis/00-assert.yaml b/e2e-tests/tests/postgis/00-assert.yaml
new file mode 100644
index 000000000..ae5a062d8
--- /dev/null
+++ b/e2e-tests/tests/postgis/00-assert.yaml
@@ -0,0 +1,24 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 120
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: perconapgclusters.pgv2.percona.com
+spec:
+  group: pgv2.percona.com
+  names:
+    kind: PerconaPGCluster
+    listKind: PerconaPGClusterList
+    plural: perconapgclusters
+    singular: perconapgcluster
+  scope: Namespaced
+---
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+metadata:
+  name: check-operator-deploy-status
+timeout: 120
+commands:
+  - script: kubectl assert exist-enhanced deployment percona-postgresql-operator -n ${OPERATOR_NS:-$NAMESPACE} --field-selector status.readyReplicas=1
diff --git a/e2e-tests/tests/postgis/00-deploy-operator.yaml b/e2e-tests/tests/postgis/00-deploy-operator.yaml
new file mode 100644
index 000000000..1aaca58be
--- /dev/null
+++ b/e2e-tests/tests/postgis/00-deploy-operator.yaml
@@ -0,0 +1,13 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 10
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+      init_temp_dir # do this only in the first TestStep
+
+      deploy_operator
+      deploy_client
diff --git a/e2e-tests/tests/postgis/01-assert.yaml b/e2e-tests/tests/postgis/01-assert.yaml
new file mode 100644
index 000000000..832d4c360
--- /dev/null
+++ b/e2e-tests/tests/postgis/01-assert.yaml
@@ -0,0 +1,115 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 180
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  name: postgis-repo-host
+  labels:
+    postgres-operator.crunchydata.com/cluster: postgis
+    postgres-operator.crunchydata.com/data: pgbackrest
+    postgres-operator.crunchydata.com/pgbackrest: ''
+    postgres-operator.crunchydata.com/pgbackrest-dedicated: ''
+  ownerReferences:
+    - apiVersion: upstream.pgv2.percona.com/v1beta1
+      kind: PostgresCluster
+      name: postgis
+      controller: true
+      blockOwnerDeletion: true
+status:
+  observedGeneration: 1
+  replicas: 1
+  readyReplicas: 1
+  currentReplicas: 1
+  updatedReplicas: 1
+  collisionCount: 0
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  labels:
+    postgres-operator.crunchydata.com/cluster: postgis
+    postgres-operator.crunchydata.com/data: postgres
+    postgres-operator.crunchydata.com/instance-set: instance1
+  ownerReferences:
+    - apiVersion: upstream.pgv2.percona.com/v1beta1
+      kind: PostgresCluster
+      name: postgis
+      controller: true
+      blockOwnerDeletion: true
+status:
+  observedGeneration: 1
+  replicas: 1
+  readyReplicas: 1
+  currentReplicas: 1
+  updatedReplicas: 1
+  collisionCount: 0
+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: postgis-pgbouncer
+  labels:
+    postgres-operator.crunchydata.com/cluster: postgis
+    postgres-operator.crunchydata.com/role: pgbouncer
+  ownerReferences:
+    - apiVersion: upstream.pgv2.percona.com/v1beta1
+      kind: PostgresCluster
+      name: postgis
+      controller: true
+      blockOwnerDeletion: true
+status:
+  observedGeneration: 1
+  replicas: 3
+  updatedReplicas: 3
+  readyReplicas: 3
+---
+apiVersion: upstream.pgv2.percona.com/v1beta1
+kind: PostgresCluster
+metadata:
+  name: postgis
+  ownerReferences:
+    - apiVersion: pgv2.percona.com/v2
+      kind: PerconaPGCluster
+      name: postgis
+      controller: true
+      blockOwnerDeletion: true
+  finalizers:
+    - postgres-operator.crunchydata.com/finalizer
+status:
+  instances:
+    - name: instance1
+      readyReplicas: 3
+      replicas: 3
+      updatedReplicas: 3
+  observedGeneration: 1
+  pgbackrest:
+    repoHost:
+      apiVersion: apps/v1
+      kind: StatefulSet
+      ready: true
+    repos:
+      - bound: true
+        name: repo1
+  proxy:
+    pgBouncer:
+      readyReplicas: 3
+      replicas: 3
+---
+apiVersion: pgv2.percona.com/v2
+kind: PerconaPGCluster
+metadata:
+  name: postgis
+status:
+  pgbouncer:
+    ready: 3
+    size: 3
+  postgres:
+    instances:
+    - name: instance1
+      ready: 3
+      size: 3
+    ready: 3
+    size: 3
+  state: ready
diff --git a/e2e-tests/tests/postgis/01-create-cluster.yaml b/e2e-tests/tests/postgis/01-create-cluster.yaml
new file mode 100644
index 000000000..7b2effb26
--- /dev/null
+++ b/e2e-tests/tests/postgis/01-create-cluster.yaml
@@ -0,0 +1,12 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 100
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      postgres_image=$(get_container_image "postgis" "${PG_VER}")
+      get_cr | yq eval ".spec.image = \"${postgres_image}\"" - | kubectl -n "${NAMESPACE}" apply -f -
diff --git a/e2e-tests/tests/postgis/02-assert.yaml b/e2e-tests/tests/postgis/02-assert.yaml
new file mode 100644
index 000000000..24c6cb593
--- /dev/null
+++ b/e2e-tests/tests/postgis/02-assert.yaml
@@ -0,0 +1,28 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 120
+---
+apiVersion: upstream.pgv2.percona.com/v1beta1
+kind: PostgresCluster
+metadata:
+  name: postgis
+status:
+  instances:
+    - name: instance1
+      readyReplicas: 3
+      replicas: 3
+      updatedReplicas: 3
+  pgbackrest:
+    repoHost:
+      ready: true
+  proxy:
+    pgBouncer:
+      readyReplicas: 3
+      replicas: 3
+---
+apiVersion: pgv2.percona.com/v2
+kind: PerconaPGCluster
+metadata:
+  name: postgis
+status:
+  state: ready
diff --git a/e2e-tests/tests/postgis/02-enable-postgis.yaml b/e2e-tests/tests/postgis/02-enable-postgis.yaml
new file mode 100644
index 000000000..2d2f802fe
--- /dev/null
+++ b/e2e-tests/tests/postgis/02-enable-postgis.yaml
@@ -0,0 +1,23 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 360
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      PSQL_URI="postgres:$(get_psql_user_pass postgis-pguser-postgres)@$(get_psql_user_host postgis-pguser-postgres)/postgres"
+
+      # Create a second DB before enable so auto-install covers both databases.
+      run_psql_local "CREATE DATABASE mygisdata;" "${PSQL_URI}"
+
+      # Patch the underlying PostgresCluster to enable PostGIS.
+      # The Percona operator does not override postGISVersion on reconcile,
+      # so this setting is preserved and triggers PostGIS extension installation.
+      kubectl -n "${NAMESPACE}" patch postgrescluster postgis \
+        --type=merge \
+        --patch "{\"spec\":{\"postGISVersion\":\"${POSTGIS_VER}\"}}"
+
+      wait_cluster_consistency postgis
diff --git a/e2e-tests/tests/postgis/03-assert.yaml b/e2e-tests/tests/postgis/03-assert.yaml
new file mode 100644
index 000000000..31df54b10
--- /dev/null
+++ b/e2e-tests/tests/postgis/03-assert.yaml
@@ -0,0 +1,16 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 30
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: 03-check-postgis
+data:
+  extensions_postgres: fuzzystrmatch,postgis,postgis_tiger_geocoder,postgis_topology
+  extensions_mygisdata: fuzzystrmatch,postgis,postgis_tiger_geocoder,postgis_topology
+  schemas: tiger,topology
+  geometry: geometry
+  geojson: '{"type":"Point","coordinates":[-118.4079,33.9434]}'
+  version_matches: "true"
+  image_is_gis: "true"
diff --git a/e2e-tests/tests/postgis/03-check-postgis.yaml b/e2e-tests/tests/postgis/03-check-postgis.yaml
new file mode 100644
index 000000000..cc2575f38
--- /dev/null
+++ b/e2e-tests/tests/postgis/03-check-postgis.yaml
@@ -0,0 +1,73 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 180
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      BASE_URI="postgres:$(get_psql_user_pass postgis-pguser-postgres)@$(get_psql_user_host postgis-pguser-postgres)"
+
+      select_matching() {
+        local db=$1
+        local sql=$2
+        local pattern=$3
+
+        run_psql_local "${sql}" "${BASE_URI}/${db}" \
+          | tr -d '[:blank:]' | grep -E "${pattern}" | sort | paste -sd, -
+      }
+
+      get_extensions() {
+        select_matching "$1" \
+          "SELECT extname FROM pg_extension ORDER BY extname;" \
+          '^(fuzzystrmatch|postgis|postgis_tiger_geocoder|postgis_topology)$'
+      }
+
+      check_extensions() {
+        [[ "$(get_extensions "$1")" == "fuzzystrmatch,postgis,postgis_tiger_geocoder,postgis_topology" ]]
+      }
+
+      retry 24 5 check_extensions postgres
+      retry 24 5 check_extensions mygisdata
+
+      extensions_postgres=$(get_extensions postgres)
+      extensions_mygisdata=$(get_extensions mygisdata)
+
+      schemas=$(select_matching postgres \
+        "SELECT nspname FROM pg_catalog.pg_namespace ORDER BY nspname;" \
+        '^(tiger|topology)$')
+
+      geometry=$(run_psql_local \
+        "SELECT pg_typeof(ST_MakePoint(28.385200,-81.563900));" \
+        "${BASE_URI}/postgres" | tr -d '[:space:]')
+
+      geojson=$(run_psql_local \
+        "SELECT ST_AsGeoJSON(ST_SetSRID(ST_MakePoint(-118.4079,33.9434),4326)::geography);" \
+        "${BASE_URI}/postgres" | tr -d '[:space:]')
+
+      version=$(run_psql_local \
+        "SELECT left(postgis_version(),1);" \
+        "${BASE_URI}/postgres" | tr -d '[:space:]')
+      spec_version=$(kubectl -n "${NAMESPACE}" get postgrescluster postgis -o jsonpath='{.spec.postGISVersion}')
+      version_matches=false
+      if [[ "${spec_version}" == "${POSTGIS_VER}" && "${version}" == "${POSTGIS_VER:0:1}" ]]; then
+        version_matches=true
+      fi
+
+      primary=$(get_pod_by_role postgis primary name)
+      image=$(kubectl -n "${NAMESPACE}" get pod "${primary}" -o jsonpath='{.spec.containers[?(@.name=="database")].image}')
+      image_is_gis=false
+      if [[ "${image}" == *postgres-gis* ]]; then
+        image_is_gis=true
+      fi
+
+      kubectl create configmap -n "${NAMESPACE}" 03-check-postgis \
+        --from-literal=extensions_postgres="${extensions_postgres}" \
+        --from-literal=extensions_mygisdata="${extensions_mygisdata}" \
+        --from-literal=schemas="${schemas}" \
+        --from-literal=geometry="${geometry}" \
+        --from-literal=geojson="${geojson}" \
+        --from-literal=version_matches="${version_matches}" \
+        --from-literal=image_is_gis="${image_is_gis}"
diff --git a/e2e-tests/tests/postgis/99-remove-cluster-gracefully.yaml b/e2e-tests/tests/postgis/99-remove-cluster-gracefully.yaml
new file mode 100644
index 000000000..664de1d0e
--- /dev/null
+++ b/e2e-tests/tests/postgis/99-remove-cluster-gracefully.yaml
@@ -0,0 +1,22 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+delete:
+- apiVersion: pgv2.percona.com/v2
+  kind: PerconaPGCluster
+  metadata:
+    name: postgis
+- apiVersion: upstream.pgv2.percona.com/v1beta1
+  kind: PostgresCluster
+  metadata:
+    name: postgis
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      remove_all_finalizers
+      check_operator_panic
+      destroy_operator
+    timeout: 60
diff --git a/e2e-tests/vars.sh b/e2e-tests/vars.sh
index 635a90d79..ec63bac5f 100755
--- a/e2e-tests/vars.sh
+++ b/e2e-tests/vars.sh
@@ -56,6 +56,8 @@ export PMM_SERVER_VERSION=${PMM_SERVER_VERSION:-"9.9.9"}
 export IMAGE_PMM_CLIENT=${IMAGE_PMM_CLIENT:-"perconalab/pmm-client:3-dev-latest"}
 export IMAGE_PMM_SERVER=${IMAGE_PMM_SERVER:-"perconalab/pmm-server:3-dev-latest"}
 export IMAGE_LOGCOLLECTOR=${IMAGE_LOGCOLLECTOR:-"perconalab/fluentbit:main-logcollector"}
+export IMAGE_POSTGIS=${IMAGE_POSTGIS:-"${IMAGE_BASE}:main-ppg$PG_VER-postgres-gis"}
+export POSTGIS_VER=${POSTGIS_VER:-"3.3"}
 export PGOV1_TAG=${PGOV1_TAG:-"1.4.0"}
 export PGOV1_VER=${PGOV1_VER:-"14"}
 export CPGO_VERSION=${CPGO_VERSION:-"5.8.7"}