Detailed info about South Island region can be found here and reading this article will also be useful.
Nelson Lakes can be a great travel destination if you’re looking for something picturesque.
Marlborough Region has Blenheim famous for wineries and Kaikoura for whale watching.
Hanmer Springs is located in Hurunui Region and it’s recommended for the healthy thermal pools.
A great travel destination is Greymouth, the largest city in West Coast Region.
In the Canterbury Region it’s recommended to visit the “garden city” Christchurch and Timaru – the largest city of this region.
In Southern Alps & Lakes Regions you can visit the “adventure capital” of New Zealand Queenstown and the popular resort Wanaka.
Oamaru, Dunedin and Invercargill are also great travel destinations of New Zealand’s South Island.