Germany's strongest political paty, currently headed by Chancellor Angela Merkel, has been in power for most of the time since the end of the Second Word War.
The CDU was founded after World War II. Five of the eight chancellors since 1949 came from CDU. It has 470,000 members and a voter base of Christian and conservative, often elderly, citizens as well as small and medium sized entrepreneurs. In the 2013 general elections, the CDU and its Bavarian CSU sister party won 311 of the 631 available seats. Nevertheless, Merkel was forced to forge a "Grand Coalition" with the party's main rivals, the center-left Social Democrats. All our most recent content pertaining to Merkel and her party is collated below.
Volker Kauder, a member of German Chancellor Merkel's CDU, has said Facebook should pay for failing to remove online hate comments. There has been a surge in xenophobic posts as refugees have arrived over the last year.
The heads of Germany's conservative CDU and CSU parties have met in Berlin for "constructive" discussions on security and finance. The two parties have been at odds for months over Chancellor Merkel's refugee policy.
Berlin's elections seemed to deal another blow to Mrs Merkel's ruling CDU party. Much was made of her speech saying she wished she could have turned back time to deal again with the migrant crisis. But political analyst Heinz Schulte explains that her speech was a clever ruse to move forward rather than an admission of having got it wrong in the past.