LOCATIVE CASE: PLACES
With the names of cities (Rome, Athens, Sparta, Brundisium, Alexandria etc) and small islands (Sicily, Crete etc.), the prepositions ad, ab and in are not used.
1. Places to which: name in the accusative without ad.
Ex: Romam- to Rome Carthaginem- to Carthage
Cretam- to Crete
2. Places from which: name in the ablative without ab.
Ex: Brundisio- from Brundisium Athenis- from Athens
Sicilia- from Sicily
3. Place in which- this is the locative, and rules vary.
First and second declension singular- use the genitive case
Ex: Romae- in Rome, at Rome
Corinthi- in Corinth, at Corinth
First and second plural, plus third plural- use the ablative
Ex: Athenis- in Athens, at Athens
Sardibus- in Sardes, at Sardes
Third declension singular- use the dative
Ex: Carthagini- at Carthage, in Carthage
Special cases- note these words and their special use:
domi- at home animi- in the mind
belli- at war humi- on the ground