Petrochori (Greek: Πετροχώρι meaning rockvillage) is a village in Achaea, Greece. It is part of the municipality of West Achaea. It is located 6 km south of Kato Achaia, and 25 km southeast of Patras. The population of Petrochori in 2001 was 443 for the village and 1,072 for the community, which consists of the villages Petrochori, Karya, Lampraiika, Logothetis, Veskoukaiika, Vythoulkas and Zampeteika. The nearest villages are Ano Achaia to the northeast and Elaiochori to the east.