Is the word itália the same in Brazilian and European Portuguese?

No

While the spelling and basic meaning of "Itália" are identical in both varieties of Portuguese, there are significant differences in grammar (usage of the definite article) and pronunciation.

• Grammar/Usage: In Brazilian Portuguese, it is standard to use the definite article "a" before the country name, especially when using prepositions (e.g., na Itália — in the Italy, da Itália — from the Italy). In European Portuguese, the definite article is frequently omitted when using prepositions like em or de (e.g., em Itália — in Italy, de Itália — from Italy).
• Pronunciation: Brazilian Portuguese tends to have more open, clear, and musical vowels. European Portuguese features more "closed" or reduced vowels, and the rhythm is more stress-timed, meaning unstressed syllables are pronounced much more subtly than in Brazil.

Brazilian Portuguese Examples

1. Eu quero viajar para a Itália no ano que vem. (I want to travel to Italy next year.)
2. A comida da Itália é a minha favorita. (The food from Italy is my favorite.)
3. Nós vamos passar as férias na Itália. (We are going to spend the holidays in Italy.)
4. Você já visitou a Itália? (Have you ever visited Italy?)
5. A Itália é um país muito bonito. (Italy is a very beautiful country.)

European Portuguese Examples

1. Eu quero viajar para Itália no próximo ano. (I want to travel to Italy next year.)
2. A comida de Itália é a minha favorita. (The food from Italy is my favorite.)
3. Vamos passar as férias em Itália. (We are going to spend the holidays in Italy.)
4. Já visitaste a Itália? (Have you ever visited Italy?)
5. Itália é um país muito bonito. (Italy is a very beautiful country.)