The river forms the boundary between the two countries.
Please be quiet within the temple precincts.
Refers to a zone or district, often with a specific purpose. 境域 emphasizes the boundary line or the enclosed area itself.
Standard kanji spelling.
Rarely used kanji form; 疆 is not a jōyō kanji.
Compound of 境 (boundary) and 域 (area, region). The reading is on'yomi.