この地域はでは水が不足している。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

area; region

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

then; well; so; well then

water (esp. cool, fresh water, e.g. drinking water); fluid (esp. in an animal tissue); liquid; flood; floodwaters; water offered to wrestlers just prior to a bout; break granted to wrestlers engaged in a prolonged bout

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

insufficiency; shortage; deficiency; lack; dearth