柔佛海峡 (柔佛海峽) róufó hǎixiá

róufó hǎixiá proper noun Straits of Johor
Domain: Modern Chinese 现代汉语 , Subdomain: Geography 地理 , Concept: Place Name 地名
Notes: Between between Singapore and the Malay Peninsular (CC-CEDICT '柔佛海峽'; Wikipedia '柔佛海峡')