To the east, in the Bang Pakong river-basin and down the eastern shore of the gulf, are Pachim, a divisional headquarters; Petriou; Bang Plasoi, a fishing centre, with Rayong, Chantabun (q.v.) and Krat, producing gems and pepper.
Boats could be conveyed over flat and easy portages from one river-basin to another, and these portages were subsequently transformed with a relatively small amount of labour into navigable canals, and even at the present day the canals have more importance for the traffic of the country than have most of the railways.
The river and its tributaries form the Thames Basin, the largest river basin in the United Kingdom (UK ).
The bridge of chief artistic merit is the Cambridge Bridge (1908), which replaced the old West Boston Bridge, and is one feature of improvements long projected for the beautifying of the Charles river basin.
The name first appears in the list of primitive Zoroastrian settlements contained in the Vendidad Sade, where, however, like most of the names in the same list, - such as Sughudu (Sogdiana), Mouru (Mer y or Margus), Haraquiti (Arachotus or Arghand-ab), Haetumant (Etymander or Helmund), and Ragha (or Argha-stan),--it seems to apply to the river or river-basin, which was the special centre of population.