Port Ann is located in the county of Argyll and Bute, Scotland, three miles east of the town of Lochgilphead, 45 miles west of the major city of Glasgow, 84 miles west of Edinburgh, 327 miles north of Cardiff, and 378 miles north-west of London. Port Ann was historically in the county of Argyllshire. Port Ann falls within the unitary authority of Argyll and Bute. It is in the PA31 postcode district. The post town for Port Ann is Lochgilphead.


Port Ann is in the ceremonial county of Argyll and Bute, the historic county of Argyllshire, and the administrative county of Argyll and Bute.
| Ceremonial County | Argyll and Bute |
|---|---|
| Historic County | Argyllshire |
| Administrative County | Argyll and Bute |
Port Ann is situated roughly centrally between the southernmost and northernmost extremities of Argyll and Bute, and towards the easternmost extremity of Argyll and Bute.

The nearest postcode to the centre of Port Ann is PA31 8SE.
Port Ann is situated roughly centrally between the southernmost and northernmost extremities of the PA31 postcode district, and towards the easternmost extremity of the PA31 postcode district.

The post town for Port Ann is Lochgilphead. Port Ann is in the PA31 postcode district, which corresponds to the post town of Lochgilphead.
The centre of Port Ann is located at position 56.02726° latitude and -5.36183° longitude.
| Latitude | 56.02726° |
|---|---|
| Longitude | -5.36183° |
The centre of Port Ann is located at the grid reference easting 190615 and northing 686694 within the British National Grid (OSGB36) system.
| Easting | 190615 |
|---|---|
| Northing | 686694 |
Position of Port Ann relative to nearby towns. Distance is measured from the centre of Port Ann to the centre of the town.
Position of Port Ann relative to nearby cities. Distance is measured from the centre of Port Ann to the centre of the city.