This is the 9794th most frequent Russian word.
юлией
"Юлией" is the instrumental case of the Russian name "Юлия," meaning "Julia" in English.
Here, 'юлией' is the instrumental case of the proper noun Юлия, indicating accompaniment or instrument in the sentence.
Я встретился с Юлией в парке вчера.
I met Yulia in the park yesterday.
In this sentence, 'юлией' is again in the instrumental case, showing the agent performing the action in a passive sentence structure.
Эта книга была написана Юлией.
This book was written by Yulia.
The word 'юлией' in this example employs the instrumental case to denote accompaniment in the context of the activity described.