Železnik (, ) is an urban neighborhood of Belgrade, Serbia. It is located in Belgrade's municipality of Čukarica.
{{Infobox settlement | name = Železnik | native_name = Железник | native_name_lang = sr | settlement_type = Urban neighbourhood | image_skyline = Beograd-Zheleznik with Montavar machinery plant IMG 0790.jpg | image_alt = | image_caption = Aerial view on Železnik | image_flag = | flag_alt = | image_seal = | seal_alt = | image_shield = | shield_alt = | etymology = | nickname = | motto = | image_map = | map_alt = | map_caption = | pushpin_map = Serbia Belgrade | pushpin_label_position = | pushpin_map_alt = | pushpin_map_caption = Location within Belgrade | coordinates = | coor_pinpoint = | coordinates_footnotes = | subdivision_type = Country | subdivision_name = | subdivision_type1 = Region | subdivision_name1 = | subdivision_type2 = Municipality | subdivision_name2 = Čukarica | established_title = | established_date = | founder = | seat_type = | seat = | government_footnotes = | government_type = | governing_body = | leader_party = | leader_title = | leader_name = | unit_pref = Metric
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).