Amazon announced today that 2011 was the best selling year ever for the Kindle. While they didn’t say exactly how many Kindles they sold, the company revealed that throughout December, they sold more than 1 million Kindle devices per week.

Kindle eBook sales were up too. According to the Amazon press release: “Gifting of Kindle books was up 175 percent between this Black Friday and Christmas Day compared to the same period in 2010.” As in the past, Christmas Day was biggest day for Kindle book downloads.

This news extended to Amazon’s international sites as well. eBookNewser has more: “And Amazon’s good news extends to their other sites, as well. The Kindle is also the best-selling product on Amazon.co.uk, Amazon.de, Amazon.fr, Amazon.es and Amazon.it this holiday season.”