Trivia: Initially banned in Kazakhstan, the ban was lifted after the film sparked a tourism boom.
Trivia: The participants of this 'mockumentary' (none of whom were in on the joke) were all made to sign a release form so that the film makers could use the footage. In spite of this, several of those interviewed have since made unsuccessful attempts to sue the distribution company for fraud and defamation. Those that took action included the etiquette coach, plus two of the students with whom Borat hitchhikes with.
Answer: According to an interview with Sacha Baron Cohen, it's actually Hebrew disguised by a very heavy fake Eastern European accent.
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