Add A New Named Entity In Spacy

import spacy
from spacy.tokens import Span

nlp = spacy.load("en_core_web_sm")
doc = nlp("abc is my city name")

# Remove previous entities from doc.ents
new_ents = [ent for ent in doc.ents if not (ent.start == 0 and ent.end == 1)]
doc.ents = new_ents

# Add custom label to vocab
nlp.vocab.strings.add("CITY")

# Create new entity
new_entity = Span(doc, 0, 1, label="CITY")
doc.ents = list(doc.ents) + [new_entity]

for ent in doc.ents:
    print(ent.text, ent.label_)

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