Rhossili is both a small village and a community on the southwestern tip of the Gower Peninsula in Wales. It is within the first Area of Outstanding Natural Beauty in the United Kingdom. The village has a community council and is part of the Gower parliamentary constituency, and the Gower electoral ward. At the 2011 census, the population was 278. The community includes the hamlet of Middleton.

Gower or the Gower Peninsula is in South West Wales and is the most westerly part of the historic county of Glamorgan, Wales. It projects towards the Bristol Channel. In 1956, the majority of Gower became the first area in the United Kingdom to be designated an Area of Outstanding Natural Beauty.