  In the last decades an incredible amount of evidence for the existence of
dark matter (DM) has been accumulating. At the same time, many efforts have
been undertaken to try to identify what dark matter is made of. Indirect
searches look at places in the Universe where dark matter is known to be
abundant and seek for possible annihilation or decay signatures. Indirect
searches with the Fermi Gamma ray Space Telescope and Imaging Atmospheric
Cherenkov Telescopes (IACTs) are playing a crucial role in constraining the
nature of the DM particle through the study of their annihilation into gamma
rays from different astrophysical structures. In this talk I will review the
status of the search with IACTs and I will describe the sensitivity projections
for dark matter searches on the various targets taking into account the latest
instrument response functions expected for the Cherenkov Telescope Array (CTA)
together with estimations for the systematic uncertainties from diffuse
astrophysical and cosmic-ray
