Carmarthenshire is a large county in southwest Wales encompassing fertile agricultural land, historic market towns like Carmarthen and Llanelli, and coastal communities along Carmarthen Bay. Often called 'The Garden of Wales' for its agricultural productivity, it features diverse landscapes from the Tywi Valley to the Brecon Beacons National Park fringe. The climate is mild and moist with coastal areas experiencing fewer frosts than inland locations, favorable for dairy farming and horticulture. Culturally, Carmarthenshire represents the heartland of Welsh language and tradition, with some of Wales's highest Welsh-speaking populations. The area preserves historic sites including castles, Roman remains, and medieval towns while maintaining strong agricultural shows and eisteddfod traditions. Llanelli maintains industrial heritage alongside coastal regeneration. Boundary GIS data for Carmarthenshire County Council is available for download in GeoJSON and KML formats, essential for agricultural planning, Welsh language community support, and rural development initiatives.

📍 Administrative boundary of carmarthenshire local authority district

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