CREATE TABLE table_20518 ("RR Romaja" TEXT, "M\\u2013R Romaja" TEXT, "Hangul/Chosongul" TEXT, "Hanja" TEXT, "ISO" TEXT, "Area" TEXT, "Capital" TEXT, "Region" TEXT, "Country" TEXT)

Name the number of region for
SELECT COUNT("Region") FROM table_20518 WHERE "Hangul/Chosongul" = '경상남도'
SELECT COUNT("Region") FROM "table_20518" WHERE "Hangul/Chosongul" = '경상남도'