What is the phonetic pronunciation of name Greenwich?

ˈɡrɛnɪtʃ

Here's how it breaks down:

* ˈɡrɛn: The stress is on the first syllable, "gren". It's pronounced like "green" but with a slightly shorter vowel sound.

* ɪtʃ: The second syllable is "itch". It's pronounced like the word "itch".