A4107 road

Croeserw is a village of approximately 1,380 inhabitants in Gwynfi and Croeserw, Neath Port Talbot county borough, Wales.

Cymmer Afan railway station served the village of Cymmer, in the historical county of Glamorganshire, Wales, from 1885 to 1970 on the Rhondda and Swansea Bay Railway.

Cymmer (Welsh: Cymer) is a small village in the community of Cymer and Glyncorrwg, in Neath Port Talbot in Wales, set on a hillside in the Afan Valley near the confluence of the River Afan and the River Corrwg. In 2001, Cymmer had a population of 2,883.

Nantewlaeth Colliery Halt railway station served Nantewlaeth Colliery, located in the village of Glyncorrwg, in the historical county of Glamorganshire, Wales, from 1940 to 1955 on the South Wales Mineral Railway.

Cymmer Corrwg railway station served the village of Cymmer, in the historical county of Glamorganshire, Wales, from 1918 to 1964 on the South Wales Mineral Railway.

Blaengwynfi railway station served the village of Blaengwynfi, Neath Port Talbot, Wales, from 1890 to 1968 on the Rhondda and Swansea Bay Railway.

Glyncorrwg is a village in the Afan Valley, in southern Wales. Glyncorrwg is also the name of an electoral ward and formerly a community covering the village and surrounding countryside, in Neath Port Talbot county borough. Glyncorrwg is part of the community known as the Afan Valleys, which also contains the villages of Abergwynfi, Blaengwynfi, Croeserw, Cymmer, Abercregan, Duffryn and Glyncorwg itself. The population of the community of Glyncorrwg was recorded as 5,544 in the 2001 census, reducing to 5,283 at the 2011 census. The population of the Glyncorrwg electoral ward was 1,096 at the 2011 census.

Glyncorrwg railway station served the village of Glyncorrwg, in the historic county of Glamorganshire, Wales, from 1918 to the 1960s on the South Wales Mineral Railway.

Blaengwynfi is a village in the community of Gwynfi and Croeserw, in the Neath Port Talbot area of South Wales.

Abergwynfi is a village in the Welsh county borough of Neath Port Talbot, in the community of Gwynfi and Croeserw. Abergwynfi is the first half of a village of two parts, the other being Blaengwynfi. The names of the two villages mean "Mouth of the Gwynfi" and "Source of the Gwynfi" respectively, the Gwynfi being the (rather short) river that separates the two. Aber and Blaengwynfi are generally referred to as "The Cape" by residents of the two villages and the neighbouring few. This term comes from when the villages were marketed as "The Cape of Good Hope" during the years when coal mining was very important to the valleys.Abergwynfi is located within the Afan Forest Park which is a popular mountain bike centre.

Abergwynfi railway station served the villages of Abergwynfi and Blaengwynfi in Neath Port Talbot, Wales. The station was the terminus of the line from Bridgend via Maesteg.

Gwynfi is an electoral ward of Neath Port Talbot county borough, Wales. Gwynfi includes the villages if Abergwynfi and Blaengwynfi. Gwynfi is part of the community of Glyncorrwg and the parliamentary constituency of Aberavon. Gwynfi is bounded by the wards of: Glyncorrwg to the northwest; Treherbert of Rhondda Cynon Taff to the east; Blaengarw of Bridgend county borough to the south; and Cymmer to the west. The northern part of the ward is covered in woodland whereas the south of the ward comprises open moorland. In June 2018, Labour's Ralph Thomas resigned as councillor. On 16 August 2018, a by-election was held, the electorate turnout was 51.3%. Jane Jones was returned to the seat, having previously been councillor until May 2012. The swing in votes was attributed to a threat from the Labour controlled council to close Cymer Afan School. The results were: In the 2017 local council elections, the results were: In the 2012 local council elections, the electorate turnout was 63.84%. The results were: