noun
historic district; historic center
Refers to a designated area of a town or city preserved for its historical character, often with old buildings and streetscapes.
この町の歴史地区には古い建物がたくさん残っている。
Many old buildings remain in this town's historic district.
観光客は歴史地区を散策するのが好きだ。
Tourists enjoy strolling through the historic center.
旧市街 often refers to the old town or old quarter of a city, while 歴史地区 is a more formal term for a designated historic preservation area.
Compound of 歴史 (history) and 地区 (district, area).