Lang Co. The quickest and easiest way to get to Lang Co is via a taxi from the Da Nang International Airport. Lang Co is on the Central Coast region of Vietnam, in Thua Thien-Hue Province in the district of Phu Loc. There are several internet shops scattered along Highway 1A, but more are concentrated down the small road down to the market (entrance to the road, is the first right from the toll booth coming from Danang). The shops will generally be filled with local children playing online games.