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Jyutping waa4 gaai3
Pinyin huá jiè

Definitions (粵典–words.hk)
  1. 名詞、舊式
    英屬​香港​時​中港​邊境​對​中國範​圍​嘅​稱​呼​,​對面​係​英界
    (before 1997 handover) mainland China area, relative to Hong Kong area
  2. 名詞、舊式
    清末​至民國​時期​,​各​國​喺​天津​、​上海​等​地​設立​租界​,​中方​管治​嘅​部分​就​係​華界
    Chinese part of Shanghai, Tian Jin etc before 1945, opposite to other parts that were rented by foreigners