Pembrokeshire (/ˈpɛmbrʊkʃɪər/, /ˈpɛmbrʊkʃər/, or /ˈpɛmbroʊkʃɪər/; Welsh: Sir Benfro [ˈsiːr ˈbɛnvrɔ]) is a county in the south west of Wales. It borders Carmarthenshire to the east and Ceredigion to the north east.