diff --git a/homeassistant/components/gdacs/__init__.py b/homeassistant/components/gdacs/__init__.py
index f25341455bb..557af9474ed 100644
--- a/homeassistant/components/gdacs/__init__.py
+++ b/homeassistant/components/gdacs/__init__.py
@@ -13,11 +13,10 @@ from homeassistant.const import (
     CONF_SCAN_INTERVAL,
     UnitOfLength,
 )
-from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN, HomeAssistant, callback
+from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import aiohttp_client, config_validation as cv
 from homeassistant.helpers.dispatcher import async_dispatcher_send
 from homeassistant.helpers.event import async_track_time_interval
-from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.util.unit_conversion import DistanceConverter
 from homeassistant.util.unit_system import US_CUSTOMARY_SYSTEM
@@ -78,21 +77,6 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
             },
         )
     )
-    async_create_issue(
-        hass,
-        HOMEASSISTANT_DOMAIN,
-        f"deprecated_yaml_{DOMAIN}",
-        breaks_in_ha_version="2024.2.0",
-        is_fixable=False,
-        issue_domain=DOMAIN,
-        severity=IssueSeverity.WARNING,
-        translation_key="deprecated_yaml",
-        translation_placeholders={
-            "domain": DOMAIN,
-            "integration_title": "Global Disaster Alert and Coordination System",
-        },
-    )
-
     return True
 
 
diff --git a/homeassistant/components/gdacs/config_flow.py b/homeassistant/components/gdacs/config_flow.py
index c49626557f4..fb2b8416937 100644
--- a/homeassistant/components/gdacs/config_flow.py
+++ b/homeassistant/components/gdacs/config_flow.py
@@ -10,7 +10,10 @@ from homeassistant.const import (
     CONF_RADIUS,
     CONF_SCAN_INTERVAL,
 )
+from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN
+from homeassistant.data_entry_flow import AbortFlow, FlowResultType
 from homeassistant.helpers import config_validation as cv
+from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
 
 from .const import CONF_CATEGORIES, DEFAULT_RADIUS, DEFAULT_SCAN_INTERVAL, DOMAIN
 
@@ -32,7 +35,23 @@ class GdacsFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
 
     async def async_step_import(self, import_config):
         """Import a config entry from configuration.yaml."""
-        return await self.async_step_user(import_config)
+        result = await self.async_step_user(import_config)
+        if result["type"] == FlowResultType.CREATE_ENTRY:
+            async_create_issue(
+                self.hass,
+                HOMEASSISTANT_DOMAIN,
+                f"deprecated_yaml_{DOMAIN}",
+                breaks_in_ha_version="2024.2.0",
+                is_fixable=False,
+                issue_domain=DOMAIN,
+                severity=IssueSeverity.WARNING,
+                translation_key="deprecated_yaml",
+                translation_placeholders={
+                    "domain": DOMAIN,
+                    "integration_title": "Global Disaster Alert and Coordination System",
+                },
+            )
+        return result
 
     async def async_step_user(self, user_input=None):
         """Handle the start of the config flow."""
@@ -48,7 +67,25 @@ class GdacsFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         identifier = f"{user_input[CONF_LATITUDE]}, {user_input[CONF_LONGITUDE]}"
 
         await self.async_set_unique_id(identifier)
-        self._abort_if_unique_id_configured()
+        try:
+            self._abort_if_unique_id_configured()
+        except AbortFlow:
+            if self.context["source"] == config_entries.SOURCE_IMPORT:
+                async_create_issue(
+                    self.hass,
+                    HOMEASSISTANT_DOMAIN,
+                    f"deprecated_yaml_{DOMAIN}",
+                    breaks_in_ha_version="2024.2.0",
+                    is_fixable=False,
+                    issue_domain=DOMAIN,
+                    severity=IssueSeverity.WARNING,
+                    translation_key="deprecated_yaml",
+                    translation_placeholders={
+                        "domain": DOMAIN,
+                        "integration_title": "Global Disaster Alert and Coordination System",
+                    },
+                )
+            raise
 
         scan_interval = user_input.get(CONF_SCAN_INTERVAL, DEFAULT_SCAN_INTERVAL)
         user_input[CONF_SCAN_INTERVAL] = scan_interval.total_seconds()
diff --git a/tests/components/gdacs/test_config_flow.py b/tests/components/gdacs/test_config_flow.py
index 88641b69bd2..f8dfa0cd7fd 100644
--- a/tests/components/gdacs/test_config_flow.py
+++ b/tests/components/gdacs/test_config_flow.py
@@ -12,7 +12,8 @@ from homeassistant.const import (
     CONF_RADIUS,
     CONF_SCAN_INTERVAL,
 )
-from homeassistant.core import HomeAssistant
+from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN, HomeAssistant
+import homeassistant.helpers.issue_registry as ir
 
 
 @pytest.fixture(name="gdacs_setup", autouse=True)
@@ -66,6 +67,32 @@ async def test_step_import(hass: HomeAssistant) -> None:
         CONF_CATEGORIES: ["Drought", "Earthquake"],
     }
 
+    issue_registry = ir.async_get(hass)
+    issue = issue_registry.async_get_issue(
+        HOMEASSISTANT_DOMAIN, "deprecated_yaml_gdacs"
+    )
+    assert issue.translation_key == "deprecated_yaml"
+
+
+async def test_step_import_already_exist(
+    hass: HomeAssistant, config_entry: config_entries.ConfigEntry
+) -> None:
+    """Test that errors are shown when duplicates are added."""
+    conf = {CONF_LATITUDE: -41.2, CONF_LONGITUDE: 174.7, CONF_RADIUS: 25}
+    config_entry.add_to_hass(hass)
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": config_entries.SOURCE_IMPORT}, data=conf
+    )
+    assert result["type"] == data_entry_flow.FlowResultType.ABORT
+    assert result["reason"] == "already_configured"
+
+    issue_registry = ir.async_get(hass)
+    issue = issue_registry.async_get_issue(
+        HOMEASSISTANT_DOMAIN, "deprecated_yaml_gdacs"
+    )
+    assert issue.translation_key == "deprecated_yaml"
+
 
 async def test_step_user(hass: HomeAssistant) -> None:
     """Test that the user step works."""