Israel has condemned recent comments likening the current German government to the Nazi regime.

Israeli Foreign Ministry spokesman Emmanuel Nahshon told dpa on Wednesday that such comments are "unacceptable."

"The state of Israel is against anything that might diminish or trivialize the memory of the Holocaust," he said, adding that "there is no place for these kinds of comparisons."

Nahshon's comments, while not mentioning Turkey directly, follow accusations by Turkish President Recep Tayyip Erdogan on Sunday that German Chancellor Angela Merkel has been employing "Nazi methods."

Erdogan's tough language is in response to Germany halting Ankara's efforts to lobby expatriate voters ahead of an April referendum that would expand the president's powers as well as weaken parliament.

Merkel had responded on Monday that "the Nazi comparisons from the Turkish side have to stop," adding this was "without ifs or buts."

Israel and Turkey agreed to fully restore diplomatic ties in 2016, six years after an acrimonious rupture between the historic allies.

In 2010, Israeli naval commandos raided a pro-Palestinian aid flotilla as it headed to the blockaded Gaza Strip, and 10 Turkish nationals were killed on the ship Mavi Marmara.