Often considered part of Wenvoe by gully,[clarification needed] Heol Trelai is the main road or avenue, lined with large trees.

Caerau, named after the Welsh language word for 'Forts', sits at the base of a hill slope on the edge of Cardiff.

The research showed that the Iron Age site consists of a substantial hilltop surrounded by multi-vallate earthworks (rings of banks and ditches) that have been cut through at the southeastern extent by a major road.

It also uncovered that Caerau was likely a tribal capital for the Silures, who were powerful local people who strongly resisted Roman incursions into their land.

Primary Schools: Secondary Schools: The district is on Cardiff Bus's bus route, with high frequency electric buses operating on routes 17 (Ely /Canton / Wood Street) and 18 (Canton/Wood Street) through Caerau and 13 (/Drope/Ely) also run along Cowbridge Road West (A48), along the very northern edge of Caerau, which is the main road for the area, linking it to Culverhouse Cross to the west and Ely, Canton and the city centre to the east.