balkon

/balkon/

Cases

SingularPluralWhen to use it
nominativebalkonthe balconybalkonlathe balconiesthe plain dictionary form — the doer of the sentence
genitivebalkonnuthe balcony'sbalkonlanıthe balconies'the owner — whose it is
accusativebalkonnuthe balcony (as the object)balkonlanıthe balconies (as the object)a specific, known object — whom or what
dativebalkongato the balconybalkonlağato the balconiesdirection or recipient — to where, to whom
locativebalkondaat / in the balconybalkonladaat / in the balconieswhere it is; also having — mende bar, "I have it"
ablativebalkondanfrom the balconybalkonladanfrom the balconieswhere 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
mybalkonummy balconybalkonlarımmy balconies
yourbalkonungyour balconybalkonlarıngyour balconies
his / herbalkonuhis / her balconybalkonlarıhis / her balconies
ourbalkonubuzour balconybalkonlarıbızour balconies
you all'sbalkonuğuzyou all's balconybalkonlarığızyou all's balconies
theirbalkonlarıtheir balconybalkonlarıtheir balconies

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