灤州 [滦－]

Jyutping lyun4 zau1
Pinyin luán zhōu

Definitions (Wiktionary)
  1. name
    Luanzhou (a county-level city in Tangshan, Hebei, China)
  2. name, historical
    Luan Prefecture (a former prefecture in modern-day Tangshan, Hebei, China)