The word "海珠" is formed by combining the character "海" (sea) with the character "珠" (pearl), creating a compound where "海" modifies "珠" to specify a pearl from the sea, literally meaning "sea pearl".
Word Definition - 海珠
hǎi zhūHaizhu District of Guangzhou City 廣州市|广州市[guǎng zhōu shì], Guangdong