To make your life easier, going forward all country kits for AutoCAD Civil3D will be posted on the Autodesk knowledge Network (AKN).
The link to the AKN countrykits page is:
We have also uploaded all existing Civil 3D Country kits to the AKN page.
First step is to select the country or region of your interest and then you can choose for which version of Civil 3D you want to download the package.