فِي البِلَادِ

فِي البِلَادِ is a phrase (شِبْهُ الجُمْلَةِ) consisting of a particle of pulling down (preposition) and a genitive noun

PhraseParticle / NounNoun Particle
شِبْهُ الجُمْلَةِجَارٌ وَمَجْرُوْرٌاسْمٌ مَجْرُوْرٌحَرْفُ جَرٍّ
PhraseCompoundGenitive NounParticle of pulling down
  
in the townsفِي البِلَادِ=البِلَادِ+فَي 
in the landsthe towns/landsin
Surah/Below are the 5 verses in the holy Quran containing the phraseفِي البِلَادِ
Verse
3-196Let not the going to and from the lands of those who disbelieve deceive youلَا يَغُرَّنَّكَ تَقَلُّبُ الَّذِيْنَ كَفَرُوا فِي البِلَادِ
40-4
50-36 
89-8the like of which were not created in the landsالَّتِي لَمْ يُخْلَقْ مِثْلُهَا فِي البِلَادِ
89-11who transgressed beyond bounds in the landsالَّذِينَ طَغَوا فِي البِلَادِ