Chengshan () is a town in Rongcheng City, Weihai, in eastern Shandong province, China.
{{Infobox settlement
| name = Chengshan | native_name = 成山镇 | native_name_lang = zh-cn | settlement_type = Town | image_skyline = | image_alt = | image_caption = | image_flag = | flag_alt = | image_seal = | seal_alt = | image_shield = | shield_alt = | nickname = | motto = | image_map = | map_alt = | map_caption = | pushpin_map =China Shandong | pushpin_label_position =left | pushpin_map_alt = | pushpin_map_caption =Location in Shandong | coordinates = | coor_pinpoint = | coordinates_footnotes = | subdivision_type = Country | subdivision_name = People's Republic of China | subdivision_type1 = Province | subdivision_name1 = Shandong | subdivision_type2 = Prefecture-level city | subdivision_name2 = Weihai | subdivision_type3 = District | subdivision_name3 = Rongcheng | established_title = | established_date = | founder = | seat_type = | seat = | government_footnotes = | leader_party = | leader_title = | leader_name = | unit_pref = Metric
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).