In any type of emergency, call the national police hotline at 1155 (both Thai and English are spoken). This is also a helpful number to call if property has been lost or stolen or you have a dispute with a merchant.

Although crime in Bangkok is admirably low, pickpockets are not uncommon. They target people in crowded places such as busses, public markets and busy sidewalks.

Be aware of disreputable gem "dealers" and tourist guides. If you plan to purchase jewelry, the Thai Gem and Jewelry Traders Association has a list of reputable shops. Visit them on the web at http://www.thaigemjewelry.or.th/

Mosquitoes are everywhere – use insect repellant!