foto

/foto/

Cases

SingularPluralWhen to use it
nominativefotothe photographfotolathe photographsthe plain dictionary form — the doer of the sentence
genitivefotonuthe photograph'sfotolanıthe photographs'the owner — whose it is
accusativefotonuthe photograph (as the object)fotolanıthe photographs (as the object)a specific, known object — whom or what
dativefotoğato the photographfotolağato the photographsdirection or recipient — to where, to whom
locativefotodaat / in the photographfotoladaat / in the photographswhere it is; also having — mende bar, "I have it"
ablativefotodanfrom the photographfotoladanfrom the photographswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
myfotommy photographfotolarımmy photographs
yourfotongyour photographfotolarıngyour photographs
his / herfotosuhis / her photographfotolarıhis / her photographs
ourfotobuzour photographfotolarıbızour photographs
you all'sfotoğuzyou all's photographfotolarığızyou all's photographs
theirfotolarıtheir photographfotolarıtheir photographs

The overlap in the last rows is real, not a mistake: fotoları can mean "his / her photographs", "their photograph", or "their photographs" — context decides.