diff report for october is posted

Author: Andra Mircioiu

content/geoip/release-notes/2025.md

@@ -9,6 +9,34 @@ outputs: ['html', 'rss']
 [Sign up to be notified](https://comms.maxmind.com/geoip-rss-release-notes)
 whenever a new GeoIP release note is posted. {{</ alert >}}
 
+{{< release-note date="2025-10-23" title="GeoNames monthly diff report October 2025" >}}
+[GeoNames monthly diff report (October 2025)](/csv-files/GeoNames-Monthly-Diff-Report-October-2025.csv)
+
+GeoIP and GeoLite databases incorporate
+[GeoNames geographical data](https://www.geonames.org/), which is made available
+under the
+[Creative Commons Attribution 4.0 License](https://creativecommons.org/licenses/by/4.0/).
+
+Monthly updates to GeoNames data are incorporated into our databases as we
+refresh them. Above you will find a CSV report of these changes as they apply to
+English place names for the month of October as they relate to the following
+fields:
+
+- `geoname_id`
+- `country_name`
+- `country_code`
+- `city_name`
+- `subdivision_1_iso_code`
+- `subdivision_2_iso_code`
+
+Note that the values for the `old_` and `new_` columns for a given field only
+differ for the field defined in the `diff_in` column.
+
+\* In preparation for the official GeoNames release of Vietnam subdivisions, we have opted to maintain the subdivisions as they were prior to the provincial merger. We will publish the new Vietname subdivisions after the official GeoNames release.
+
+\* \* In this month’s update, a large number of geoname IDs have been updated
+for Brazil and the United States. 
+
 {{< release-note date="2025-10-21" title="GeoIP Anonymous IP, GeoIP Anonymous Plus, and GeoIP IP Risk databases not released as scheduled yesterday">}}
 
 The GeoIP database updates for Monday, October 20, 2025 for the following databases were not released as scheduled:
@@ -135,7 +163,7 @@ under the
 
 Monthly updates to GeoNames data are incorporated into our databases as we
 refresh them. Above you will find a CSV report of these changes as they apply to
-English place names for the month of June as they relate to the following
+English place names for the month of July as they relate to the following
 fields:
 
 - `geoname_id`