Sukhumvit is considered Bangkok’s leading commercial district, and it’s easy to see why since one of the four major highways of Thailand runs right through the area. This highway, called Sukhumvit Road, brings in not only locals for shopping but many tourists as well, who seek to explore the numerous sois or side streets of the area. If you’re interested in the best place to stay in Bangkok for couples and first-timers, then this is it because you’ll get to…