西貢[saigon] Saigon
瑞西[suisu] Switzerland
西藏[seizou] Tibet
新西蘭[nyuujiirando] New Zealand
伯剌西爾[burajiru] Brazil

墨西哥[mekishiko] Mexico
以西[isei] ... and westward
関西[kansai] Kansai (south-western half of Japan, including Osaka)
関西辯[kansaiben] Kansai dialect
古今東西[kokontouzai] all times and places

遼遠[ryouen] remote
前途遼遠[zentoryouen] goal

遼東の豕[ryoutounoinoko] someone so ignorant of the outside world that he thinks of himself as one-in-a-million (when really it's more like one-in-five) (lit: Liaodong pig)
西遼[seiryou] Western Liao (Central Asian Khitan empire, 1132-1211 CE)