Polyglot Indonesia Jakarta Chapter presents the Language Exchange Meetup activities series entitled "Langlang Buana Nusantara!" In the second meetup of this series, we discussed the language and culture in West Nusa Tenggara Province in an activity entitled "Three Ethnic Groups, Two Islands, One Heart" held on February 2, 2019. In collaboration with Sasak Samawa Mbojo UI (SASAMBO UI), a student union of West Nusa Tenggara Province at Indonesia University, we present unique facts about West Nusa Tenggara and teach the three languages of the province: Sasak, Samawa, Mbojo.