A large part of the focus will be on China, where a booming middle-class is developing a taste for premium wine.
Since New Zealand and China formed a Free Trade Agreement five years ago, kiwi wine exports to the country have increased 15-fold.
But New Zealand still represents less than 2 per cent of the imported wine market in China.
A report by Rabobank, released in March, estimated the total number of global wine importers to China has increased to roughly 3,000 companies.
NZW's new office will be located within the offices of New Zealand Trade and Enterprise (NZTE), in Wan Chai, Hong Kong.
As well as China, the focus will be on increasing exports to Japan, Singapore and South Korea.
New Zealand Winegrowers was formed in 2002.