what countries is kpop most popular in
AOA. The girl group to hold number 8 as the most popular KPOP girl group for this 2015 is AOA. Based in South Korea, AOA was initiated by the FNC Entertainment, and they made their first debut in 2012 with its album âAngelâs Storyâ.inally, it has come to the first place of the most popular Korean KPOP girl group, and it is the Girlâs Generation which is commonly known as SNSD on the stage. Formed and managed by S.M. Entertainment in 2007, there, initially, were 9 members within the group including Jessica Jung.