Wen' an county, Langfang city, Hebei province. According to the Baidu map, Wen 'an Service Area is located in Wen 'an Service Area, Wen 'an County, Langfang City, Hebei Province (south of Langcang expressway). Wen 'an County, which belongs to Langfang City, Hebei Province, covers an area of 1,137 square kilometers. As of October 2121, Wen 'an County has jurisdiction over 12 towns and 1 townships.