Achaia is a Polish fantasy series of novels written by Andrzej Ziemianski, published in three volumes in 2002, 2003 and 2004 by the Fabryka Slów. The first two volumes received the Janusz A. Zajdel Award nomination (in 2002 and 2003, respectively); the second one received the Nautilus Award in 2004. All three volumes were reissued in 2011.

Achaia is a Polish fantasy series of novels written by Andrzej Ziemianski, published in three volumes in 2002, 2003 and 2004 by the Fabryka Slów. The first two volumes received the Janusz A. Zajdel Award nomination (in 2002 and 2003, respectively); the second one received the Nautilus Award in 2004. All three volumes were reissued in 2011.