関西
かんさい Kansai (region comprising Kyoto, Osaka, Kobe and surrounding prefectures)
Why it means this
関 (the barrier) + 西 (west) — 'west of the barrier'; the Kansai region around Osaka, Kyoto, and Kobe (関西弁).
Breakdown
Each character links to its full entry — origin story, stroke order, and readings.